Move VideoFrame and related declarations to webrtc/api/video.

webrtc/media/base/videobroadcaster_unittest.cc

Index: webrtc/media/base/videobroadcaster_unittest.cc
diff --git a/webrtc/media/base/videobroadcaster_unittest.cc b/webrtc/media/base/videobroadcaster_unittest.cc
index 6a8c618bb6a78d1a5059d57b0bbd2c55225342f3..8996768827d0be84684783bdafba32b99ad36a79 100644
--- a/webrtc/media/base/videobroadcaster_unittest.cc
+++ b/webrtc/media/base/videobroadcaster_unittest.cc
@@ -8,10 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/api/video/i420_buffer.h"
+#include "webrtc/api/video/video_frame.h"
 #include "webrtc/base/gunit.h"
 #include "webrtc/media/base/fakevideorenderer.h"
 #include "webrtc/media/base/videobroadcaster.h"
-#include "webrtc/video_frame.h"
 
 using rtc::VideoBroadcaster;
 using rtc::VideoSinkWants;
@@ -134,7 +135,7 @@ TEST(VideoBroadcasterTest, SinkWantsBlackFrames) {
   broadcaster.AddOrUpdateSink(&sink2, wants2);
 
   rtc::scoped_refptr<webrtc::I420Buffer> buffer(
-      new rtc::RefCountedObject<webrtc::I420Buffer>(100, 200));
+      webrtc::I420Buffer::Create(100, 200));
   // Makes it not all black.
   buffer->InitializeData();